4.2.1 Main Subroutines

NumRu::DCL.slinit(wxmax,wymax,fact) Initializes.
NumRu::DCL.slsize(cszez) Resets a level-1 frame. (Such as A4, B5)
NumRu::DCL.slform(dxa,dya) Resets a level-1 frame. (In actual dimensions)
NumRu::DCL.sldiv(cform,ix,iy) Divides a frame.
NumRu::DCL.slmgn(xl,xr,yb,yt) Sets the margins.
NumRu::DCL.slrat(rx,ry) Sets the aspect ratio.
NumRu::DCL.slsttl(cttl,cside,px,py,ht,nt) Sets the title.